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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef CC_SURFACES_SURFACE_ID_ALLOCATOR_H_ | 5 #ifndef CC_SURFACES_SURFACE_ID_ALLOCATOR_H_ |
| 6 #define CC_SURFACES_SURFACE_ID_ALLOCATOR_H_ | 6 #define CC_SURFACES_SURFACE_ID_ALLOCATOR_H_ |
| 7 | 7 |
| 8 #include <stdint.h> | 8 #include <stdint.h> |
| 9 | 9 |
| 10 #include "base/macros.h" | 10 #include "base/macros.h" |
| 11 #include "cc/surfaces/surface_id.h" | 11 #include "cc/surfaces/surface_id.h" |
| 12 #include "cc/surfaces/surfaces_export.h" | |
| 13 | 12 |
| 14 namespace cc { | 13 namespace cc { |
| 15 | 14 |
| 16 // This is a helper class for generating surface IDs within a specified | 15 // This is a helper class for generating surface IDs within a specified |
| 17 // namespace. This is not threadsafe, to use from multiple threads wrap this | 16 // namespace. This is not threadsafe, to use from multiple threads wrap this |
| 18 // class in a mutex. | 17 // class in a mutex. |
| 19 class CC_SURFACES_EXPORT SurfaceIdAllocator { | 18 class SurfaceIdAllocator { |
| 20 public: | 19 public: |
| 21 SurfaceIdAllocator(); | 20 SurfaceIdAllocator(); |
| 22 ~SurfaceIdAllocator(); | 21 ~SurfaceIdAllocator(); |
| 23 | 22 |
| 24 LocalFrameId GenerateId(); | 23 LocalFrameId GenerateId(); |
| 25 | 24 |
| 26 private: | 25 private: |
| 27 uint32_t next_id_; | 26 uint32_t next_id_; |
| 28 | 27 |
| 29 DISALLOW_COPY_AND_ASSIGN(SurfaceIdAllocator); | 28 DISALLOW_COPY_AND_ASSIGN(SurfaceIdAllocator); |
| 30 }; | 29 }; |
| 31 | 30 |
| 32 } // namespace cc | 31 } // namespace cc |
| 33 | 32 |
| 34 #endif // CC_SURFACES_SURFACE_ID_ALLOCATOR_H_ | 33 #endif // CC_SURFACES_SURFACE_ID_ALLOCATOR_H_ |
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